Wallet, coin sack, glove box organizer, small tool holder. Really, it's whatever you need it for.
A small, well made piece like this has many uses, and many users. It's not something that categorizes easily, because it's only limited by your imagination.
From the manufacturer:
This bag is big enough to hold your phone, money, and a few extras. It's tan waxed canvas with a blue bottom.
7 inch YKK zipper. 12 oz. Grey Waxed Canvas with 9 oz. Navy Waxed Canvas Bottom.